assertTrue(mockFilterChain.wasDoFilterCalled());
        assertFalse(corsHandlerFactory.wasGetCalled());
    }

    // Test with valid Origin but no CorsHandler found
    @Test
    public void test_doFilter_noCorsHandler() throws IOException, ServletException {
        mockRequest.setHeader("Origin", "http://example.com");
        corsHandlerFactory.setHandler(null);